Let's Do…Organic Cornstarch is a wonderful thickening and stabilizing agent, perfect for making gravy, sauce, custard and so much more To produce Let's Do…Organic Cornstarch we begin with certified organic and GMO-free corn, and we chop its kernels into tiny bits. We wash these chopped kernels with a strong, clean water rinse, then spin in a centrifuge to separate out the starch. After filtering and drying thoroughly, we have a pure organic cornstarch powder, perfect for your baking needs.